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A card from a pack of 52 cards is lost. ...

A card from a pack of 52 cards is lost. From the remaining cards of the pack, two cards are drawn at random and are found to be both clubs. Find the probability of the lost card being of clubs.

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(i) A card from a pack of 52 cards is lost. From the remaining cards of the pack, two cards are drawn and are found to be both diamonds. Find the probability of the lost card being a diamond. (ii) A card from a pack of 52 cards is lost. Form the remaining cards of the pack, two cards are drawn at random and are found to be both clubs. Find the probability of the lost card being of clubs.

A card from a pack of 52 cards is lost.From the remaining cards of the pack,two cards are drawn and are found to be both diamonds. Find the probability of the lost card being a diamond.

A card from a pack of 52 cards is lost.From the remaining cards of the pack; two cards are drawn and are found to be hearts.Find the probability of the missing card to be a heart.

A card from a pack of 52 playing cards is lost. From the remaining cards of the pack three cards are drawn at random (without replacement) and are found to be all spades. Find the probability of the lost card being a spade.

A card from a pack 52 cards is lost. From the remaining cards , two cards are drawn and are found to be speades. Find the probability that missing card is also a spade.

XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions
  1. Evaluate: int(cossqrt(x))/(sqrt(x))\ dx

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  2. Write the principal value of, cos^(-1)\ (cos(7pi)/6)

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  3. A card from a pack of 52 cards is lost. From the remaining cards of...

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  4. From a lot of 10 bulbs, which includes 3 defectives, a sample of 2 ...

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  5. Solve the following differential equation: (x^3+y^3)dy-x^2y dx=0

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  6. Evaluate: inte^(2x)sinx\ dx

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  7. Evaluate: int(3x+5)/sqrt(x^2-8x+7)\ dx

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  8. Find the distance of the plane 3x- 4y+12 z=3 from the origin.

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  9. Using properties of determinants, show that |(b+c,a,a),(b,c+a,b),(c,c,...

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  10. If x=a(cos t+t sin t) and y=a(sin t - t cos t),=0

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  11. A ladder 5 m long is leaning against a wall. The bottom of the ladd...

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  12. Solve the following differential equation: (1+x^2)dy+2x y\ dx=cotx\ ...

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  13. Show that the relation R in the set of real numbers, defined as R="...

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  14. Express the following matrix as the sum of a symmetric and skew symmet...

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  15. Show that the relation S in the set A={x\ \ Z\ :0\ lt=x\ lt=12} given ...

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  16. A family has 2 children. Find the probability that both are boys, i...

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  17. Find lambda if (2 hat i+6 hat j+14 hat k)xx\ ( hat i-\ lambda hat j+7...

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  18. Evaluate the following: int(x+2)/(sqrt((x-2)(x-3)))\ dx

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  19. Show that the differential equation ((x-y)dy)/(dx)=x+2y , is homoge...

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  20. In a certain college, 4% of boys and 1% of girls are taller than 1....

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